Mycoplasma pneumoniae US Medical PG Flashcards - Medical Study Cards
Master Mycoplasma pneumoniae with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
Mycoplasma pneumoniae Flashcard Deck - 10 Cards
Flashcard 1: _____ infection is a cause of atypical pneumonia with high fever (Q fever)
Answer: Coxiella burnetii
Flashcard 2: _____ is the most common cause of atypical pneumonia in young adults
Answer: Mycoplasma pneumoniae
Flashcard 3: What culture is used to grow Mycoplasma pneumoniae?_____
Answer: Eaton agar
Flashcard 4: How is Mycoplasma pneumoniae transmitted?_____
Answer: Inhalation of droplets
Flashcard 5: Name the clinical presentation, culture medium, and treatment for Mycoplasma pneumoniae.
Answer: • Clinical: Atypical "walking" pneumonia
• Culture: Eaton's agar
• Treatment: Macrolides or Fluoroquinolones
Extra: Note: Mycoplasma pneumoniae lacks a cell wall, making it naturally resistant to penicillins and cephalosporins. It is associated with high titers of cold agglutinins (IgM).
Flashcard 6: What are the key associations to remember for cold agglutinin?
Answer: IgM, Mycoplasma, Mononucleosis (EBV)
Flashcard 7: Mycoplasmal pneumonia (Most common cause)
Answer: Which organism is the most common cause of atypical pneumonia (walking pneumonia)?::Mycoplasma pneumoniae (Eaton agent)
Extra: • Features: Insidious onset, headache, nonproductive cough, and diffuse interstitial infiltrates.
• Patient profile: Young adults (<30 y/o), military recruits, and prisoners.
• Diagnosis: PCR, Cold agglutinins (IgM), culture on Eaton agar.
• Treatment: Macrolides (e.g., Azithromycin), Doxycycline, or Fluoroquinolones.
• Note: Lacks a cell wall (does not stain on Gram stain; resistant to β-lactams).
Flashcard 8: What factor explains Mycoplasma's inability to Gram stain?
Answer: no cell wall!
Flashcard 9: What is the Gram stain and morphology of Nocardia spp.?
Answer: Gram-positive branching filaments
Extra: Key features of Nocardia:
- Aerobe
- Weakly acid-fast (modified Ziehl-Neelsen stain)
- Found in soil
- Clinical: Pneumonia/brain abscess in immunocompromised; cutaneous infections after trauma in immunocompetent.
- Treatment: Sulfonamides (e.g., TMP-SMX)
Flashcard 10: tuberculoid leprosy
Answer: Mycobacterium leprae
Extra: few hairless skin plaques6 months of dapsone and rifampin
Keywords: Mycoplasma pneumoniae flashcards, medical flashcards, NEET PG preparation, USMLE Step 1 flashcards, Anki alternative, spaced repetition medical, OnCourse flashcards